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EN 1.4606 Stainless Steel vs. Grade 38 Titanium

EN 1.4606 stainless steel belongs to the iron alloys classification, while grade 38 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4606 stainless steel and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 23 to 39
11
Fatigue Strength, MPa 240 to 420
530
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
40
Shear Strength, MPa 410 to 640
600
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
1000
Tensile Strength: Yield (Proof), MPa 280 to 630
910

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 910
330
Melting Completion (Liquidus), °C 1430
1620
Melting Onset (Solidus), °C 1380
1570
Specific Heat Capacity, J/kg-K 470
550
Thermal Conductivity, W/m-K 14
8.0
Thermal Expansion, µm/m-K 11
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 26
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 6.0
35
Embodied Energy, MJ/kg 87
560
Embodied Water, L/kg 170
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 1010
3840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 36
62
Strength to Weight: Bending, points 20 to 28
49
Thermal Diffusivity, mm2/s 3.7
3.2
Thermal Shock Resistance, points 21 to 35
72

Alloy Composition

Aluminum (Al), % 0 to 0.35
3.5 to 4.5
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 13 to 16
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 49.2 to 59
1.2 to 1.8
Manganese (Mn), % 1.0 to 2.0
0
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 1.9 to 2.3
89.9 to 93.1
Vanadium (V), % 0.1 to 0.5
2.0 to 3.0
Residuals, % 0
0 to 0.4